In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for an ETFE film material foam stabilization device used for battery panel packaging. The device improves the foam stability of ethylene tetrafluoroethylene copolymer (ETFE) film during film blowing to ensure uniform structure and stable performance of materials.
The promotion of this patent will provide equipment and technical support for the high-quality production of packaging materials for new energy batteries, and help promote the development of the green energy industry chain.
